Witnesses to Application for Patent : hearings before the United States House Committee on Patents, Sixty-Third Congress, second session, on Apr. 15, 1914.

MLA

United States. Witnesses to Application for Patent : hearings before the United States House Committee on Patents, Sixty-Third Congress, second session, on Apr. 15, 1914. Washington : U.S. G.P.O., 1914.

APA

United States. (1914). Witnesses to Application for Patent : hearings before the United States House Committee on Patents, Sixty-Third Congress, second session, on Apr. 15, 1914. Washington : U.S. G.P.O..

Chicago

United States. Witnesses to Application for Patent : hearings before the United States House Committee on Patents, Sixty-Third Congress, second session, on Apr. 15, 1914. Washington : U.S. G.P.O., 1914.